diff --git a/tvb/interfaces/web/static/js/tvbviz.js b/tvb/interfaces/web/static/js/tvbviz.js
index 8b5e0f3cf..89e65aec6 100644
--- a/tvb/interfaces/web/static/js/tvbviz.js
+++ b/tvb/interfaces/web/static/js/tvbviz.js
@@ -583,6 +583,17 @@ tv.plot = {
             f.render();
         }; // end function f()
 
+        f.update_energy=function(){
+            var all_slice = f.current_slice();
+                all_slice[0].di = f.shape()[1];
+                all_slice[0].hi = f.shape()[0];
+                all_slice[0].lo = 0;
+            tv.util.get_time_selection_energy(f.baseURL(), all_slice, f.energy_callback, f.channels(), f.mode(), f.state_var(), timeselection_interval_length);
+
+        };
+
+        f.channel_lasttime=null;
+
         f.energy_callback = function (data) {
             timeselection_energy = data;
             if (isInternalSensorView) {
@@ -630,7 +641,6 @@ tv.plot = {
             f.prepare_data();
             f.status_line.text("rendering data...");
             f.render_focus();
-
             if (!f.we_are_setup) {
                 f.render_contexts();
                 f.add_brushes();
@@ -1219,8 +1229,6 @@ tv.plot = {
 
 
             f.br_fcs_startfn = function () {
-                // we will use the left upper of the brush to do a tooltip
-
                 //select a channel
                 var event_selection_y = [];
                 event_selection_y[1] = d3.event.selection[0][1];
@@ -1313,18 +1321,20 @@ tv.plot = {
 
             if (triggered_by_timeselection) {
                 var timeselection_lasttime=timeselection_interval_length;
+
                 timeselection_interval = timeselection[1] - timeselection[0];
                 timeselection_interval_length = parseInt(timeselection_interval / f.dt()) - 1;
+
                 //retrieve energy for the whole timeline rather than a slice
                 var all_slice = f.current_slice();
                 all_slice[0].di = f.shape()[1];
                 all_slice[0].hi = f.shape()[0];
                 all_slice[0].lo = 0;
 
-                //call the energy computation method and block until get the enery data
-                if(timeselection_lasttime!=timeselection_interval_length){
+                //call the energy computation method and block until get the enery data if channel or time range is changed
+                if(timeselection_lasttime!=timeselection_interval_length||f.channel_lasttime!==f.channels()){
                     showBlockerOverlay(50000);
-                    tv.util.get_time_selection_energy(f.baseURL(), all_slice, f.energy_callback, f.channels(), f.mode(), f.state_var(), timeselection_interval_length);
+                    f.update_energy();
                 }
                 else if(timeselection_lasttime===timeselection_interval_length&&timeselection_interval_length!=0){
                     if (isInternalSensorView) {
@@ -1334,6 +1344,8 @@ tv.plot = {
                         changeSphereMeasurePoints_energy();
                     }
                 }
+                f.channel_lasttime=f.channels();
+
                 //update the time in the input tag
                 var time_index = parseInt((timeselection[0] - f.t0()) / f.dt());
                 triggered_by_changeinput = true;
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js
index b25dd1a63..733c5240b 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js
@@ -27,13 +27,25 @@ function _VSI_bufferAtPoint(p, idx) {
 }
 
 function VSI_change_energySphericalMeasurePoints() {
-    for (let i = 0; i < VS_selectedRegions.length; i++) {
-        const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], timeselection_energy[i][currentTimeValue], 12, 12);
-        const bufferVertices = result[0];
-        const bufferNormals = result[1];
-        const bufferTriangles = result[2];
-        const vertexRegionBuffer = VSI_createColorBufferForSphere(i, bufferVertices.numItems * 3);
-        measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, vertexRegionBuffer];
+    let energyIndex = 0;
+    for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
+        if (tsView.channels().includes(i)) {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], timeselection_energy[energyIndex][currentTimeValue], 12, 12);
+            energyIndex++;
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const vertexRegionBuffer = VSI_createColorBufferForSphere(i, bufferVertices.numItems * 3);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, vertexRegionBuffer];
+        }
+        else {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 3, 12, 12);
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const vertexRegionBuffer = VSI_createColorBufferForSphere(i, bufferVertices.numItems * 3);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, vertexRegionBuffer];
+        }
     }
 }
 
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js
index 63a5dc1fe..a76040a46 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js
@@ -380,7 +380,7 @@ function _VS_init_cubicalMeasurePoints() {
 
 function _VS_init_sphereMeasurePoints() {
     for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
-        const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 1);//3 for the default radius value now, we will modify it later
+        const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 2);//2 for the default radius value now, we will modify it later
         const bufferVertices = result[0];
         const bufferNormals = result[1];
         const bufferTriangles = result[2];
@@ -1428,13 +1428,25 @@ function readFileData(fileUrl, async, callIdentifier) {
 /////////////////////////////////////// ~~~~~~~~~~ START ENERGY RELATED METHOD ~~~~~~~~~~~~~ //////////////////////////////////
 //init spheres with energy controlling the radius
 function changeSphereMeasurePoints_energy() {
-        for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
-        const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], timeselection_energy[i][currentTimeValue]);//3 for the default radius value now, we will modify it later
-        const bufferVertices = result[0];
-        const bufferNormals = result[1];
-        const bufferTriangles = result[2];
-        const bufferColor = createColorBufferForCube(false);
-        measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, bufferColor];
+    let energyIndex = 0;
+    for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
+        if (tsView.channels().includes(i)) {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], timeselection_energy[energyIndex][currentTimeValue]);
+            energyIndex++;
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const bufferColor = createColorBufferForCube(false);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, bufferColor];
+        }
+        else {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 2);
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const bufferColor = createColorBufferForCube(false);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, bufferColor];
+        }
     }
 }